Prosecution Insights
Last updated: May 29, 2026

Examiner: KOLTONOW, ANDREW ROBERT

Tech Center 1700 • Art Units: 1722 1794 1795

This examiner grants 47% of resolved cases

Performance Statistics

46.8%
Allow Rate
-18.2% vs TC avg
109
Total Applications
+33.9%
Interview Lift
1383
Avg Prosecution Days
Based on 79 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
1.9%
§102 Novelty
90.7%
§103 Obviousness
2.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19280139 SUBSTRATES, OXYGEN ELECTRODES AND ELECTROCHEMICAL DEVICES Final Rejection HYDROLITE LTD
18408873 Separators for Liquid Products in Oxocarbon Electrolyzers Final Rejection Dioxycle
16919134 CONTROL OF THE CONCENTRATION-POLARIZATION LAYER LENGTH IN A MICROCHANNEL-MEMBRANE SYSTEM Final Rejection Ramot at Tel-Aviv University Ltd.
18742822 METHOD AND APPARATUS FOR MAKING CARBON NANOMATERIALS USING A LOW-LITHIUM ELECTROLYTE Non-Final OA C2CNT LLC
18377589 WORKING ELECTRODE, SYSTEM AND METHOD FOR THE ELECTROCHEMICAL REMEDIATION OF A METAL SPECIES Final Rejection The Board of Trustees of the University of Illinois
17414494 METHOD FOR MANUFACTURING COMPOSITE CAPACITIVE DEIONIZATION ELECTRODE,COMPOSITE CAPACITIVE DEIONIZATION ELECTRODE, AND ASSEMBLY THEREOF Non-Final OA KYUNGDONG NAVIEN CO., LTD.
18392362 Electrochemical Synthesis of Molecules on a Surface Final Rejection IMEC VZW
17258966 PROCESS AND SYSTEM FOR PRODUCING CARBON MONOXIDE AND DIHYDROGEN FROM A CO2-CONTAINING GAS Non-Final OA SAIPEM S.P.A.
17270852 System and Method for Electrochemical Oxidation of Polyfluoroalkyl Substances in Water Final Rejection Evoqua Water Technologies LLC
18560058 ION EXCHANGE MEMBRANE AND METHODS OF RECOVERING A TARGET ION Final Rejection Summit Nanotech Corporation
18384737 WATER ELECTROLYSIS Non-Final OA Triad National Security, LLC
16931943 SP3 SUBSTITUTED CARBON ELECTRODE ANALYSIS Non-Final OA Hach Company
18102254 METHOD FOR REMOVING ACIDS FROM ORGANIC SOLVENTS Non-Final OA Nanoscale Components, Inc.
17438000 BIOMOLECULAR SENSORS WITH DESALTING MODULE AND RELATED METHODS Non-Final OA FEMTODX
17250918 METHOD AND APPARATUS FOR COPPER-CATALYZED ELECTROCHEMICAL WATER TREATMENT Non-Final OA CAPE BRETON UNIVERSITY
16960034 WATER TREATMENT SYSTEM Final Rejection I.S.W.S LTD

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